SD Global Services Lead Quality Analyst Interview Questions and Answers

To determine if a number is a Fibonacci number or not.

• Check if 5*n^2 + 4 or 5*n^2 - 4 is a perfect square

• If either of the above conditions is true, the number is a Fibonacci number

• Example: 5 is a Fibonacci number as 5*5 - 4 = 21 which is a perfect square

Implement caching by storing frequently accessed data in memory to improve response time.

• Identify frequently accessed data that can be cached

• Choose an appropriate caching strategy (e.g. in-memory caching, distributed caching)

• Implement caching mechanisms such as Redis or Memcached

• Set expiration policies for cached data to ensure freshness

• Monitor cache performance and adjust as needed

BDD is a software development methodology that focuses on collaboration between developers, testers, and business stakeholders.

• BDD stands for Behavior Driven Development

• It emphasizes on defining the behavior of the system in plain English language

• Uses Gherkin syntax to write scenarios in Given-When-Then format

• Helps in improving communication and collaboration between teams

• Tools like Cucumber and SpecFlow are used for B

Reports can be generated in TestNG using the built-in reporting feature or by using third-party plugins.

• TestNG provides built-in HTML reports that can be generated after test execution

• Custom reports can be generated using TestNG listeners and report generation APIs

• Third-party plugins like ExtentReports and ReportNG can also be used for advanced reporting

• Reports can be customized with logos, headers, footers, and other